Publicação: Routine for Simulating Transmission Lines with Symmetrical and Asymmetrical Configurations Using a Real and Constant Modal Transformation Matrix
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Modal analysis is widely used in over-voltage and over-current studies of power systems. Modal transformation decouples a transmission line into its modes. Time-domain transmission line models usually require a real and constant modal transformation matrix. This paper proposes an approach that considers a real modal transformation matrix at a fix frequency to transform currents and voltages to the mode domain, and computes mode parameters using a frequency-dependent transformation matrix. Presented results demonstrate that the proposed approach is accurate and works with symmetrical, nonsymmetrical and vertical transmission overhead line geometries.
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electromagnetic transient analysis, multiconductor transmission lines, Transmission line modeling
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Inglês
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2018 IEEE Electrical Power and Energy Conference, EPEC 2018.
